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1115370001 = 5321044717
BaseRepresentation
bin100001001111011…
…0011001000010001
32212201202200000001
41002132303020101
54241013320001
6302402130001
736432326404
oct10236631021
92781680001
101115370001
11522662a99
12271650901
1314a102865
14a81bdd3b
1567dc0001
hex427b3211

1115370001 has 4 divisors (see below), whose sum is σ = 1136414772. Its totient is φ = 1094325232.

The previous prime is 1115369963. The next prime is 1115370029. The reversal of 1115370001 is 1000735111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1000735111 = 1952670269.

It can be written as a sum of positive squares in 2 ways, for example, as 375584400 + 739785601 = 19380^2 + 27199^2 .

It is a cyclic number.

It is not a de Polignac number, because 1115370001 - 219 = 1114845713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1115370031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10522306 + ... + 10522411.

It is an arithmetic number, because the mean of its divisors is an integer number (284103693).

Almost surely, 21115370001 is an apocalyptic number.

It is an amenable number.

1115370001 is a deficient number, since it is larger than the sum of its proper divisors (21044771).

1115370001 is an equidigital number, since it uses as much as digits as its factorization.

1115370001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21044770.

The product of its (nonzero) digits is 105, while the sum is 19.

The square root of 1115370001 is about 33397.1555824744. The cubic root of 1115370001 is about 1037.0658175699.

The spelling of 1115370001 in words is "one billion, one hundred fifteen million, three hundred seventy thousand, one".

Divisors: 1 53 21044717 1115370001